diff --git a/README.md b/README.md
index 49c45a7..ca9945f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1 @@
-# c24f657e7ecb429d966a5110f6fc4455
-
+# python hello-world
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..61fb039
--- /dev/null
+++ b/main.py
@@ -0,0 +1,9 @@
+def calculate_final_score(request):
+    data = request.get_json(silent=True) or {}
+    t = data.get("taskCompletionRate")
+    c = data.get("skillCommunication")
+    l = data.get("skillLeadership")
+    if not all(isinstance(x, (int, float)) for x in [t, c, l]):
+        return {"error": "All inputs must be numbers."}, 400
+    skill = (c + l) / 2
+    return {"finalScore": 0.6 * t + 0.4 * skill}, 200
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..55e8614
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+functions-framework==1.4.3
+markupsafe==2.0.1